Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5103066 | Dehydrogenation of alcohols over non-acidic metal-zeolite catalysts | — | 1992-04-07 |
| 5091073 | Crystalline molecular sieve compositions MCM-37 | Clarence D. Chang, Cynthia T-W. Chu, John B. Higgins, John D. Lutner, John D. Schlenker | 1992-02-25 |
| 5037529 | Integrated low pressure aromatization process | Randall D. Partridge, Sharon B. McCullen, Nai Y. Chen | 1991-08-06 |
| 5026919 | Base-catalyzed reactions using zeolite catalysts | — | 1991-06-25 |
| 5019664 | Process for the conversion of paraffins to olefins and/or aromatics and low acidity zeolite catalyst therefor | Kenneth J. Del Rossi, Albin Huss, Jr., Garry W. Kirker, David O. Marler, Randall D. Partridge | 1991-05-28 |
| 5013423 | Reforming and dehydrocyclization | Nai Y. Chen, Randall D. Partride, Ernest W. Valyocsik | 1991-05-07 |
| 5011805 | Dehydrogenation, dehydrocyclization and reforming catalyst | — | 1991-04-30 |
| 4990710 | Tin-containing microporous crystalline materials and their use as dehydrogenation, dehydrocyclization and reforming catalysts | Ernest W. Valyocsik, James C. Vartuli | 1991-02-05 |
| 4982028 | Dehydrogenation and dehydrocyclization catalyst | Ernest W. Valyocsik | 1991-01-01 |
| 4962250 | Process for the conversion of paraffins to olefins and/or aromatics and non-acidic zeolite catalyst therefor | Randall D. Partridge | 1990-10-09 |
| 4935566 | Dehydrocyclization and reforming process | Randall D. Partridge, Ernest W. Valyocsik, James C. Vartuli | 1990-06-19 |
| 4931416 | Thallium or lead-containing microporous crystalline materials and their use as dehydrogenation dehydrocyclization and reforming catalysts | Ernest W. Valyocsik | 1990-06-05 |
| 4929792 | Dehydrogenation, dehydrocyclization and reforming catalyst | — | 1990-05-29 |
| 4922050 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Randall D. Partridge, Ernest W. Valyocsik | 1990-05-01 |
| 4910357 | Alkylate upgrading | Paul G. Rodewald | 1990-03-20 |
| 4892645 | Dewaxing catalyst based on tin containing materials | — | 1990-01-09 |
| 4886926 | Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials | Ernest W. Valyocsik, James C. Vartuli | 1989-12-12 |
| 4884531 | Operation of an internal combustion engine with a pre-engine reformer | Thomas F. Degnan | 1989-12-05 |
| 4882040 | Reforming process | Ernest W. Valyocsik | 1989-11-21 |
| 4876228 | Zeolite modifications | Clarence D. Chang, Cynthia T-W. Chu, Pochen Chu, William E. Garwood, Guenter H. Kuehl +2 more | 1989-10-24 |
| 4867864 | Dehydrogenation, dehydrocyclization and reforming catalyst | — | 1989-09-19 |
| 4868145 | Dehydrogenation and dehydrocyclization catalyst | Ernest W. Valyocsik | 1989-09-19 |
| 4851599 | Styrene production | — | 1989-07-25 |
| 4849567 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Randall D. Partridge, Ernest W. Valyocsik | 1989-07-18 |
| 4830729 | Dewaxing over crystalline indium silicates containing groups VIII means | Ernest W. Valyocsik, Chaya R. Venkat | 1989-05-16 |